Domains with DNS TXT v=spf1 a mx ptr include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.yandex.net -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ptr include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.yandex.net -all.